26345632331 has 16 divisors (see below), whose sum is σ = 27202326144. Its totient is φ = 25505846784.

The previous prime is 26345632321. The next prime is 26345632333. The reversal of 26345632331 is 13323654362.

It is a cyclic number.

It is not a de Polignac number, because 26345632331 - 2²² = 26341438027 is a prime.

It is a super-2 number, since 2×26345632331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26345632333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061000 + ... + 1085546.

It is an arithmetic number, because the mean of its divisors is an integer number (1700145384).

Almost surely, 2^26345632331 is an apocalyptic number.

26345632331 is a deficient number, since it is larger than the sum of its proper divisors (856693813).

26345632331 is a wasteful number, since it uses less digits than its factorization.

26345632331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24890.

The product of its digits is 233280, while the sum is 38.

The spelling of 26345632331 in words is "twenty-six billion, three hundred forty-five million, six hundred thirty-two thousand, three hundred thirty-one".